diff --git a/sec-beidou/src/main/resources/templates/page/device_overview.html b/sec-beidou/src/main/resources/templates/page/device_overview.html
index 22979d17..27f29308 100644
--- a/sec-beidou/src/main/resources/templates/page/device_overview.html
+++ b/sec-beidou/src/main/resources/templates/page/device_overview.html
@@ -33,7 +33,7 @@
 <div class="layuimini-main">
 
     <div class="layui-row layui-col-space30">
-        <div class="layui-col-xs12 layui-col-md6">
+        <div class="layui-col-md6">
             <div class="layui-card top-panel">
                 <div class="layui-card-header">设备数量</div>
                 <div class="layui-card-body">
@@ -49,7 +49,7 @@
                 </div>
             </div>
         </div>
-        <div class="layui-col-xs12 layui-col-md6">
+        <div class="layui-col-md6">
             <div class="layui-card top-panel">
                 <div class="layui-card-header">告警统计</div>
                 <div class="layui-card-body">